What is a Kafka producer?

Can you explain what a Kafka producer is?

A Kafka producer is a client application that sends records to a Kafka topic.

How does a producer send messages to Kafka?

The producer uses the Kafka API to send messages, specifying the topic and partition.

What are some key configurations for a Kafka producer?

Key configurations include 'acks', 'key.serializer', and 'value.serializer'.

Can you give an example of a simple Kafka producer code?

Sure! Here's a basic example in Java:

Properties props = new Properties();
props.put("bootstrap.servers", "localhost:9092");
props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");
KafkaProducer<String, String> producer = new KafkaProducer<>(props);
producer.send(new ProducerRecord<>("my-topic", "key", "value"));
producer.close();